The weighted average asking rent for an apartment in San Francisco, including one-off rentals as well as units in larger developments, has inched up $25 over the past month to $4,175, which is roughly 2 percent higher versus the same time last year but still 5 percent below its peak in the fourth quarter of 2015, with the average asking rent for a one-bedroom in the city now running around $3,700 a month.

At the same time, the weighted average asking rent for an apartment in Oakland has ticked down by roughly 2 percent to $2,550 a month, which is still 4 percent higher versus the same time last year but nearly 14 percent below its peak in the second quarter of 2016, with the average asking rent for a one-bedroom now running around $2,200 a month (which is 41 percent less expensive than in San Francisco versus 39 percent less expensive at the same time last year).

And while the average asking rent in San Francisco has barely budged since the end of last year, inching up by less than a percent, it has dropped around 10 percent in Oakland, based on an analysis of pricing data from nearly 3,400 past and current apartment listings in San Francisco and Oakland combined.

Additionally, your sample should naturally be filtering for unfurnished rentals ONLY. Furnished rentals are completely different animal from unfurnished units and not relevant data for this statistic. The additional services and amenities furnished units provide would skew the data toward an obvious higher number.